gtk-gui.c

   1 /* gtk-gui.c */
   2 /* gtk UI implementation */
   3 /* creates the window and overall layout
   4  * divelist, dive info, equipment and printing are handled in their own source files
   5  */
   6 #include <stdio.h>
   7 #include <string.h>
   8 #include <stdlib.h>
   9 #include <time.h>
  10
  11 #include <gconf/gconf-client.h>
  12
  13 #include "dive.h"
  14 #include "divelist.h"
  15 #include "display.h"
  16 #include "display-gtk.h"
  17
  18 #include "libdivecomputer.h"
  19
  20 GtkWidget *main_window;
  21 GtkWidget *main_vbox;
  22 GtkWidget *error_info_bar;
  23 GtkWidget *error_label;
  24 int        error_count;
  25
  26 #define DIVELIST_DEFAULT_FONT "Sans 8"
  27 const char *divelist_font;
  28
  29 GConfClient *gconf;
  30 struct units output_units;
  31
  32 #define GCONF_NAME(x) "/apps/subsurface/" #x
  33
  34 static GtkWidget *dive_profile;
  35
  36 visible_cols_t visible_cols = {TRUE, FALSE};
  37
  38 void repaint_dive(void)
  39 {
  40         update_dive(current_dive);
  41         if (dive_profile)
  42                 gtk_widget_queue_draw(dive_profile);
  43 }
  44
  45 static char *existing_filename;
  46 static gboolean need_icon = TRUE;
  47
  48 static void on_info_bar_response(GtkWidget *widget, gint response,
  49                                  gpointer data)
  50 {
  51         if (response == GTK_RESPONSE_OK)
  52         {
  53                 gtk_widget_destroy(widget);
  54                 error_info_bar = NULL;
  55         }
  56 }
  57
  58 void report_error(GError* error)
  59 {
  60         if (error == NULL)
  61         {
  62                 return;
  63         }
  64
  65         if (error_info_bar == NULL)
  66         {
  67                 error_count = 1;
  68                 error_info_bar = gtk_info_bar_new_with_buttons(GTK_STOCK_OK,
  69                                                                GTK_RESPONSE_OK,
  70                                                                NULL);
  71                 g_signal_connect(error_info_bar, "response", G_CALLBACK(on_info_bar_response), NULL);
  72                 gtk_info_bar_set_message_type(GTK_INFO_BAR(error_info_bar),
  73                                               GTK_MESSAGE_ERROR);
  74
  75                 error_label = gtk_label_new(error->message);
  76                 GtkWidget *container = gtk_info_bar_get_content_area(GTK_INFO_BAR(error_info_bar));
  77                 gtk_container_add(GTK_CONTAINER(container), error_label);
  78
  79                 gtk_box_pack_start(GTK_BOX(main_vbox), error_info_bar, FALSE, FALSE, 0);
  80                 gtk_widget_show_all(main_vbox);
  81         }
  82         else
  83         {
  84                 error_count++;
  85                 char buffer[256];
  86                 snprintf(buffer, sizeof(buffer), "Failed to open %i files.", error_count);
  87                 gtk_label_set(GTK_LABEL(error_label), buffer);
  88         }
  89 }
  90
  91 static void file_open(GtkWidget *w, gpointer data)
  92 {
  93         GtkWidget *dialog;
  94         GtkFileFilter *filter;
  95
  96         dialog = gtk_file_chooser_dialog_new("Open File",
  97                 GTK_WINDOW(main_window),
  98                 GTK_FILE_CHOOSER_ACTION_OPEN,
  99                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 100                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 101                 NULL);
 102         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
 103
 104         filter = gtk_file_filter_new();
 105         gtk_file_filter_add_pattern(filter, "*.xml");
 106         gtk_file_filter_add_pattern(filter, "*.XML");
 107         gtk_file_filter_add_pattern(filter, "*.sda");
 108         gtk_file_filter_add_pattern(filter, "*.SDA");
 109         gtk_file_filter_add_mime_type(filter, "text/xml");
 110         gtk_file_filter_set_name(filter, "XML file");
 111         gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
 112
 113         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 114                 GSList *filenames;
 115                 char *filename;
 116                 filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
 117
 118                 GError *error = NULL;
 119                 while(filenames != NULL) {
 120                         filename = filenames->data;
 121                         parse_xml_file(filename, &error);
 122                         if (error != NULL)
 123                         {
 124                                 report_error(error);
 125                                 g_error_free(error);
 126                                 error = NULL;
 127                         }
 128
 129                         g_free(filename);
 130                         filenames = g_slist_next(filenames);
 131                 }
 132                 g_slist_free(filenames);
 133                 report_dives(FALSE);
 134         }
 135         gtk_widget_destroy(dialog);
 136 }
 137
 138 static void file_save(GtkWidget *w, gpointer data)
 139 {
 140         GtkWidget *dialog;
 141         dialog = gtk_file_chooser_dialog_new("Save File",
 142                 GTK_WINDOW(main_window),
 143                 GTK_FILE_CHOOSER_ACTION_SAVE,
 144                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 145                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 146                 NULL);
 147         gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
 148         if (!existing_filename) {
 149                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "Untitled document");
 150         } else
 151                 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), existing_filename);
 152
 153         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 154                 char *filename;
 155                 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 156                 save_dives(filename);
 157                 g_free(filename);
 158                 mark_divelist_changed(FALSE);
 159         }
 160         gtk_widget_destroy(dialog);
 161 }
 162
 163 static void ask_save_changes()
 164 {
 165         GtkWidget *dialog, *label, *content;
 166         dialog = gtk_dialog_new_with_buttons("Save Changes?",
 167                 GTK_WINDOW(main_window), GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 168                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 169                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 170                 NULL);
 171         content = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
 172         label = gtk_label_new ("You have unsaved changes\nWould you like to save those before exiting the program?");
 173         gtk_container_add (GTK_CONTAINER (content), label);
 174         gtk_widget_show_all (dialog);
 175         gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
 176         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 177                 file_save(NULL,NULL);
 178         }
 179         gtk_widget_destroy(dialog);
 180 }
 181
 182 static gboolean on_delete(GtkWidget* w, gpointer data)
 183 {
 184         /* Make sure to flush any modified dive data */
 185         update_dive(NULL);
 186
 187         if (unsaved_changes())
 188                 ask_save_changes();
 189
 190         return FALSE; /* go ahead, kill the program, we're good now */
 191 }
 192
 193 static void on_destroy(GtkWidget* w, gpointer data)
 194 {
 195         gtk_main_quit();
 196 }
 197
 198 static void quit(GtkWidget *w, gpointer data)
 199 {
 200         /* Make sure to flush any modified dive data */
 201         update_dive(NULL);
 202
 203         if (unsaved_changes())
 204                 ask_save_changes();
 205         gtk_main_quit();
 206 }
 207
 208 GtkTreeViewColumn *tree_view_column(GtkWidget *tree_view, int index, const char *title,
 209                                 data_func_t data_func, PangoAlignment align, gboolean visible)
 210 {
 211         GtkCellRenderer *renderer;
 212         GtkTreeViewColumn *col;
 213         double xalign = 0.0; /* left as default */
 214
 215         renderer = gtk_cell_renderer_text_new();
 216         col = gtk_tree_view_column_new();
 217
 218         gtk_tree_view_column_set_title(col, title);
 219         gtk_tree_view_column_set_sort_column_id(col, index);
 220         gtk_tree_view_column_set_resizable(col, TRUE);
 221         gtk_tree_view_column_pack_start(col, renderer, TRUE);
 222         if (data_func)
 223                 gtk_tree_view_column_set_cell_data_func(col, renderer, data_func, (void *)(long)index, NULL);
 224         else
 225                 gtk_tree_view_column_add_attribute(col, renderer, "text", index);
 226         gtk_object_set(GTK_OBJECT(renderer), "alignment", align, NULL);
 227         switch (align) {
 228         case PANGO_ALIGN_LEFT:
 229                 xalign = 0.0;
 230                 break;
 231         case PANGO_ALIGN_CENTER:
 232                 xalign = 0.5;
 233                 break;
 234         case PANGO_ALIGN_RIGHT:
 235                 xalign = 1.0;
 236                 break;
 237         }
 238         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), xalign, 0.5);
 239         gtk_tree_view_column_set_visible(col, visible);
 240         gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), col);
 241         return col;
 242 }
 243
 244 static void create_radio(GtkWidget *vbox, const char *name, ...)
 245 {
 246         va_list args;
 247         GtkRadioButton *group = NULL;
 248         GtkWidget *box, *label;
 249
 250         box = gtk_hbox_new(TRUE, 10);
 251         gtk_box_pack_start(GTK_BOX(vbox), box, FALSE, FALSE, 0);
 252
 253         label = gtk_label_new(name);
 254         gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
 255
 256         va_start(args, name);
 257         for (;;) {
 258                 int enabled;
 259                 const char *name;
 260                 GtkWidget *button;
 261                 void *callback_fn;
 262
 263                 name = va_arg(args, char *);
 264                 if (!name)
 265                         break;
 266                 callback_fn = va_arg(args, void *);
 267                 enabled = va_arg(args, int);
 268
 269                 button = gtk_radio_button_new_with_label_from_widget(group, name);
 270                 group = GTK_RADIO_BUTTON(button);
 271                 gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
 272                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), enabled);
 273                 g_signal_connect(button, "toggled", G_CALLBACK(callback_fn), NULL);
 274         }
 275         va_end(args);
 276 }
 277
 278 #define UNITCALLBACK(name, type, value)                         \
 279 static void name(GtkWidget *w, gpointer data)                   \
 280 {                                                               \
 281         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w))) \
 282                 menu_units.type = value;                        \
 283 }
 284
 285 static struct units menu_units;
 286
 287 UNITCALLBACK(set_meter, length, METERS)
 288 UNITCALLBACK(set_feet, length, FEET)
 289 UNITCALLBACK(set_bar, pressure, BAR)
 290 UNITCALLBACK(set_psi, pressure, PSI)
 291 UNITCALLBACK(set_liter, volume, LITER)
 292 UNITCALLBACK(set_cuft, volume, CUFT)
 293 UNITCALLBACK(set_celsius, temperature, CELSIUS)
 294 UNITCALLBACK(set_fahrenheit, temperature, FAHRENHEIT)
 295
 296 #define OPTIONCALLBACK(name, option) \
 297 static void name(GtkWidget *w, gpointer data) \
 298 { \
 299         option = GTK_TOGGLE_BUTTON(w)->active; \
 300 }
 301
 302 OPTIONCALLBACK(otu_toggle, visible_cols.otu)
 303 OPTIONCALLBACK(sac_toggle, visible_cols.sac)
 304
 305 static void preferences_dialog(GtkWidget *w, gpointer data)
 306 {
 307         int result;
 308         GtkWidget *dialog, *font, *frame, *box, *vbox, *button;
 309
 310         menu_units = output_units;
 311
 312         dialog = gtk_dialog_new_with_buttons("Preferences",
 313                 GTK_WINDOW(main_window),
 314                 GTK_DIALOG_DESTROY_WITH_PARENT,
 315                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 316                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 317                 NULL);
 318
 319         frame = gtk_frame_new("Units");
 320         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 321         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 322
 323         box = gtk_vbox_new(FALSE, 6);
 324         gtk_container_add(GTK_CONTAINER(frame), box);
 325
 326         create_radio(box, "Depth:",
 327                 "Meter", set_meter, (output_units.length == METERS),
 328                 "Feet",  set_feet, (output_units.length == FEET),
 329                 NULL);
 330
 331         create_radio(box, "Pressure:",
 332                 "Bar", set_bar, (output_units.pressure == BAR),
 333                 "PSI",  set_psi, (output_units.pressure == PSI),
 334                 NULL);
 335
 336         create_radio(box, "Volume:",
 337                 "Liter",  set_liter, (output_units.volume == LITER),
 338                 "CuFt", set_cuft, (output_units.volume == CUFT),
 339                 NULL);
 340
 341         create_radio(box, "Temperature:",
 342                 "Celsius", set_celsius, (output_units.temperature == CELSIUS),
 343                 "Fahrenheit",  set_fahrenheit, (output_units.temperature == FAHRENHEIT),
 344                 NULL);
 345
 346         frame = gtk_frame_new("Columns");
 347         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), frame, FALSE, FALSE, 5);
 348
 349         box = gtk_hbox_new(FALSE, 6);
 350         gtk_container_add(GTK_CONTAINER(frame), box);
 351
 352         button = gtk_check_button_new_with_label("Show SAC");
 353         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.sac);
 354         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 355         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(sac_toggle), NULL);
 356
 357         button = gtk_check_button_new_with_label("Show OTU");
 358         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.otu);
 359         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 360         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(otu_toggle), NULL);
 361
 362         font = gtk_font_button_new_with_font(divelist_font);
 363         gtk_box_pack_start(GTK_BOX(vbox), font, FALSE, FALSE, 5);
 364
 365         gtk_widget_show_all(dialog);
 366         result = gtk_dialog_run(GTK_DIALOG(dialog));
 367         if (result == GTK_RESPONSE_ACCEPT) {
 368                 /* Make sure to flush any modified old dive data with old units */
 369                 update_dive(NULL);
 370
 371                 divelist_font = strdup(gtk_font_button_get_font_name(GTK_FONT_BUTTON(font)));
 372                 set_divelist_font(divelist_font);
 373
 374                 output_units = menu_units;
 375                 update_dive_list_units();
 376                 repaint_dive();
 377                 update_dive_list_col_visibility();
 378                 gconf_client_set_bool(gconf, GCONF_NAME(feet), output_units.length == FEET, NULL);
 379                 gconf_client_set_bool(gconf, GCONF_NAME(psi), output_units.pressure == PSI, NULL);
 380                 gconf_client_set_bool(gconf, GCONF_NAME(cuft), output_units.volume == CUFT, NULL);
 381                 gconf_client_set_bool(gconf, GCONF_NAME(fahrenheit), output_units.temperature == FAHRENHEIT, NULL);
 382                 gconf_client_set_bool(gconf, GCONF_NAME(SAC), ! visible_cols.sac, NULL); /* inverted to get the correct default */
 383                 gconf_client_set_bool(gconf, GCONF_NAME(OTU), visible_cols.otu, NULL);
 384                 gconf_client_set_string(gconf, GCONF_NAME(divelist_font), divelist_font, NULL);
 385         }
 386         gtk_widget_destroy(dialog);
 387 }
 388
 389 static void renumber_dialog(GtkWidget *w, gpointer data)
 390 {
 391         int result;
 392         struct dive *dive;
 393         GtkWidget *dialog, *frame, *button, *vbox;
 394
 395         dialog = gtk_dialog_new_with_buttons("Renumber",
 396                 GTK_WINDOW(main_window),
 397                 GTK_DIALOG_DESTROY_WITH_PARENT,
 398                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 399                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 400                 NULL);
 401
 402         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 403
 404         frame = gtk_frame_new("New starting number");
 405         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 406
 407         button = gtk_spin_button_new_with_range(1, 50000, 1);
 408         gtk_container_add(GTK_CONTAINER(frame), button);
 409
 410         /*
 411          * Do we have a number for the first dive already? Use that
 412          * as the default.
 413          */
 414         dive = get_dive(0);
 415         if (dive && dive->number)
 416                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(button), dive->number);
 417
 418         gtk_widget_show_all(dialog);
 419         result = gtk_dialog_run(GTK_DIALOG(dialog));
 420         if (result == GTK_RESPONSE_ACCEPT) {
 421                 int nr = gtk_spin_button_get_value(GTK_SPIN_BUTTON(button));
 422                 renumber_dives(nr);
 423                 repaint_dive();
 424         }
 425         gtk_widget_destroy(dialog);
 426 }
 427
 428 static void about_dialog(GtkWidget *w, gpointer data)
 429 {
 430         const char *logo_property = NULL;
 431         GdkPixbuf *logo = NULL;
 432
 433         if (need_icon) {
 434                 GtkWidget *image = gtk_image_new_from_file("subsurface.svg");
 435
 436                 if (image) {
 437                         logo = gtk_image_get_pixbuf(GTK_IMAGE(image));
 438                         logo_property = "logo";
 439                 }
 440         }
 441
 442         gtk_show_about_dialog(NULL,
 443                 "program-name", "SubSurface",
 444                 "comments", "Half-arsed divelog software in C",
 445                 "license", "GPLv2",
 446                 "version", VERSION_STRING,
 447                 "copyright", "Linus Torvalds 2011",
 448                 "logo-icon-name", "subsurface",
 449                 /* Must be last: */
 450                 logo_property, logo,
 451                 NULL);
 452 }
 453
 454 static GtkActionEntry menu_items[] = {
 455         { "FileMenuAction", GTK_STOCK_FILE, "File", NULL, NULL, NULL},
 456         { "LogMenuAction",  GTK_STOCK_FILE, "Log", NULL, NULL, NULL},
 457         { "HelpMenuAction", GTK_STOCK_HELP, "Help", NULL, NULL, NULL},
 458         { "OpenFile",       GTK_STOCK_OPEN, NULL,   "<control>O", NULL, G_CALLBACK(file_open) },
 459         { "SaveFile",       GTK_STOCK_SAVE, NULL,   "<control>S", NULL, G_CALLBACK(file_save) },
 460         { "Print",          GTK_STOCK_PRINT, NULL,  "<control>P", NULL, G_CALLBACK(do_print) },
 461         { "Import",         NULL, "Import", NULL, NULL, G_CALLBACK(import_dialog) },
 462         { "Preferences",    NULL, "Preferences", NULL, NULL, G_CALLBACK(preferences_dialog) },
 463         { "Renumber",       NULL, "Renumber", NULL, NULL, G_CALLBACK(renumber_dialog) },
 464         { "Quit",           GTK_STOCK_QUIT, NULL,   "<control>Q", NULL, G_CALLBACK(quit) },
 465         { "About",           GTK_STOCK_ABOUT, NULL,  NULL, NULL, G_CALLBACK(about_dialog) },
 466 };
 467 static gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
 468
 469 static const gchar* ui_string = " \
 470         <ui> \
 471                 <menubar name=\"MainMenu\"> \
 472                         <menu name=\"FileMenu\" action=\"FileMenuAction\"> \
 473                                 <menuitem name=\"Open\" action=\"OpenFile\" /> \
 474                                 <menuitem name=\"Save\" action=\"SaveFile\" /> \
 475                                 <menuitem name=\"Print\" action=\"Print\" /> \
 476                                 <separator name=\"Separator1\"/> \
 477                                 <menuitem name=\"Import\" action=\"Import\" /> \
 478                                 <separator name=\"Separator2\"/> \
 479                                 <menuitem name=\"Preferences\" action=\"Preferences\" /> \
 480                                 <separator name=\"Separator3\"/> \
 481                                 <menuitem name=\"Quit\" action=\"Quit\" /> \
 482                         </menu> \
 483                         <menu name=\"LogMenu\" action=\"LogMenuAction\"> \
 484                                 <menuitem name=\"Renumber\" action=\"Renumber\" /> \
 485                         </menu> \
 486                         <menu name=\"Help\" action=\"HelpMenuAction\"> \
 487                                 <menuitem name=\"About\" action=\"About\" /> \
 488                         </menu> \
 489                 </menubar> \
 490         </ui> \
 491 ";
 492
 493 static GtkWidget *get_menubar_menu(GtkWidget *window)
 494 {
 495         GtkActionGroup *action_group = gtk_action_group_new("Menu");
 496         gtk_action_group_add_actions(action_group, menu_items, nmenu_items, 0);
 497
 498         GtkUIManager *ui_manager = gtk_ui_manager_new();
 499         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
 500         GError* error = 0;
 501         gtk_ui_manager_add_ui_from_string(GTK_UI_MANAGER(ui_manager), ui_string, -1, &error);
 502
 503         gtk_window_add_accel_group(GTK_WINDOW(window), gtk_ui_manager_get_accel_group(ui_manager));
 504         GtkWidget* menu = gtk_ui_manager_get_widget(ui_manager, "/MainMenu");
 505
 506         return menu;
 507 }
 508
 509 static void switch_page(GtkNotebook *notebook, gint arg1, gpointer user_data)
 510 {
 511         repaint_dive();
 512 }
 513
 514 static const char notebook_group[] = "123";
 515 #define GRP_ID ((void *)notebook_group)
 516 typedef struct {
 517         char *name;
 518         GtkWidget *widget;
 519         GtkWidget *box;
 520         gulong delete_handler;
 521         gulong destroy_handler;
 522 } notebook_data_t;
 523
 524 static notebook_data_t nbd[2]; /* we rip at most two notebook pages off */
 525
 526 static GtkNotebook *create_new_notebook_window(GtkNotebook *source,
 527                 GtkWidget *page,
 528                 gint x, gint y, gpointer data)
 529 {
 530         GtkWidget *win, *notebook, *vbox;
 531         notebook_data_t *nbdp;
 532
 533         /* pick the right notebook page data and return if both are detached */
 534         if (nbd[0].widget == NULL)
 535                 nbdp = nbd;
 536         else if (nbd[1].widget == NULL)
 537                 nbdp = nbd + 1;
 538         else
 539                 return NULL;
 540
 541         nbdp->name = strdup(gtk_widget_get_name(page));
 542         nbdp->widget = win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 543         gtk_window_set_title(GTK_WINDOW(win), nbdp->name);
 544         gtk_window_move(GTK_WINDOW(win), x, y);
 545
 546         /* Destroying the dive list will kill the application */
 547         nbdp->delete_handler = g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 548         nbdp->destroy_handler = g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 549
 550         nbdp->box = vbox = gtk_vbox_new(FALSE, 0);
 551         gtk_container_add(GTK_CONTAINER(win), vbox);
 552
 553         notebook = gtk_notebook_new();
 554         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 555         gtk_widget_set_name(notebook, nbdp->name);
 556         /* disallow drop events */
 557         gtk_drag_dest_set(notebook, 0, NULL, 0, 0);
 558         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 559         gtk_widget_set_size_request(notebook, 450, 350);
 560
 561         gtk_widget_show_all(win);
 562         return GTK_NOTEBOOK(notebook);
 563 }
 564
 565 static void drag_cb(GtkWidget *widget, GdkDragContext *context,
 566         gint x, gint y, guint time,
 567         gpointer user_data)
 568 {
 569         GtkWidget *source;
 570         notebook_data_t *nbdp;
 571
 572         source = gtk_drag_get_source_widget(context);
 573         if (nbd[0].name && ! strcmp(nbd[0].name,gtk_widget_get_name(source)))
 574                 nbdp = nbd;
 575         else if (nbd[1].name && ! strcmp(nbd[1].name,gtk_widget_get_name(source)))
 576                 nbdp = nbd + 1;
 577         else
 578                 /* HU? */
 579                 return;
 580
 581         gtk_drag_finish(context, TRUE, TRUE, time);
 582
 583         /* we no longer need the widget - but getting rid of this is hard;
 584          * remove the signal handler, remove the notebook from the box
 585          * then destroy the widget (and clear out our data structure) */
 586         g_signal_handler_disconnect(nbdp->widget,nbdp->delete_handler);
 587         g_signal_handler_disconnect(nbdp->widget,nbdp->destroy_handler);
 588         gtk_container_remove(GTK_CONTAINER(nbdp->box), source);
 589         gtk_widget_destroy(nbdp->widget);
 590         nbdp->widget = NULL;
 591         free(nbdp->name);
 592         nbdp->name = NULL;
 593 }
 594
 595 void init_ui(int argc, char **argv)
 596 {
 597         GtkWidget *win;
 598         GtkWidget *notebook;
 599         GtkWidget *dive_info;
 600         GtkWidget *dive_list;
 601         GtkWidget *equipment;
 602         GtkWidget *menubar;
 603         GtkWidget *vbox;
 604         GdkScreen *screen;
 605         GtkIconTheme *icon_theme=NULL;
 606         GtkSettings *settings;
 607         static const GtkTargetEntry notebook_target = {
 608                 "GTK_NOTEBOOK_TAB", GTK_TARGET_SAME_APP, 0
 609         };
 610
 611         gtk_init(&argc, &argv);
 612         settings = gtk_settings_get_default();
 613         gtk_settings_set_long_property(settings, "gtk_tooltip_timeout", 10, "subsurface setting");
 614
 615         g_type_init();
 616         gconf = gconf_client_get_default();
 617
 618         if (gconf_client_get_bool(gconf, GCONF_NAME(feet), NULL))
 619                 output_units.length = FEET;
 620         if (gconf_client_get_bool(gconf, GCONF_NAME(psi), NULL))
 621                 output_units.pressure = PSI;
 622         if (gconf_client_get_bool(gconf, GCONF_NAME(cuft), NULL))
 623                 output_units.volume = CUFT;
 624         if (gconf_client_get_bool(gconf, GCONF_NAME(fahrenheit), NULL))
 625                 output_units.temperature = FAHRENHEIT;
 626         /* an unset key is FALSE - so in order to get the default behavior right we
 627            invert the meaning of the SAC key */
 628         visible_cols.otu = gconf_client_get_bool(gconf, GCONF_NAME(OTU), NULL);
 629         visible_cols.sac = ! gconf_client_get_bool(gconf, GCONF_NAME(SAC), NULL);
 630
 631         divelist_font = gconf_client_get_string(gconf, GCONF_NAME(divelist_font), NULL);
 632         if (!divelist_font)
 633                 divelist_font = DIVELIST_DEFAULT_FONT;
 634
 635         error_info_bar = NULL;
 636         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 637         g_set_application_name ("subsurface");
 638         /* Let's check if the subsurface icon has been installed or if
 639          * we need to try to load it from the current directory */
 640         screen = gdk_screen_get_default();
 641         if (screen)
 642                 icon_theme = gtk_icon_theme_get_for_screen(screen);
 643         if (icon_theme) {
 644                 if (gtk_icon_theme_has_icon(icon_theme, "subsurface")) {
 645                         need_icon = FALSE;
 646                         gtk_window_set_default_icon_name ("subsurface");
 647                 }
 648         }
 649         if (need_icon)
 650                 gtk_window_set_icon_from_file(GTK_WINDOW(win), "subsurface.svg", NULL);
 651         g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 652         g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 653         main_window = win;
 654
 655         vbox = gtk_vbox_new(FALSE, 0);
 656         gtk_container_add(GTK_CONTAINER(win), vbox);
 657         main_vbox = vbox;
 658
 659         menubar = get_menubar_menu(win);
 660         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
 661
 662         /* Notebook for dive info vs profile vs .. */
 663         notebook = gtk_notebook_new();
 664         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 665         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 666         g_signal_connect(notebook, "create-window", G_CALLBACK(create_new_notebook_window), NULL);
 667         gtk_drag_dest_set(notebook, GTK_DEST_DEFAULT_ALL, &notebook_target, 1, GDK_ACTION_MOVE);
 668         g_signal_connect(notebook, "drag-drop", G_CALLBACK(drag_cb), notebook);
 669         g_signal_connect(notebook, "switch-page", G_CALLBACK(switch_page), NULL);
 670
 671         /* Create the actual divelist */
 672         dive_list = dive_list_create();
 673         gtk_widget_set_name(dive_list, "Dive List");
 674         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_list, gtk_label_new("Dive List"));
 675         gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(notebook), dive_list, 1);
 676         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(notebook), dive_list, 1);
 677
 678         /* Frame for dive profile */
 679         dive_profile = dive_profile_widget();
 680         gtk_widget_set_name(dive_profile, "Dive Profile");
 681         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_profile, gtk_label_new("Dive Profile"));
 682         gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(notebook), dive_profile, 1);
 683         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(notebook), dive_profile, 1);
 684
 685         /* Frame for extended dive info */
 686         dive_info = extended_dive_info_widget();
 687         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_info, gtk_label_new("Dive Notes"));
 688
 689         /* Frame for dive equipment */
 690         equipment = equipment_widget();
 691         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), equipment, gtk_label_new("Equipment"));
 692
 693         gtk_widget_set_app_paintable(win, TRUE);
 694         gtk_widget_show_all(win);
 695
 696         return;
 697 }
 698
 699 void run_ui(void)
 700 {
 701         gtk_main();
 702 }
 703
 704 typedef struct {
 705         cairo_rectangle_int_t rect;
 706         const char *text;
 707 } tooltip_record_t;
 708
 709 static tooltip_record_t *tooltip_rects;
 710 static int tooltips;
 711
 712 void attach_tooltip(int x, int y, int w, int h, const char *text)
 713 {
 714         cairo_rectangle_int_t *rect;
 715         tooltip_rects = realloc(tooltip_rects, (tooltips + 1) * sizeof(tooltip_record_t));
 716         rect = &tooltip_rects[tooltips].rect;
 717         rect->x = x;
 718         rect->y = y;
 719         rect->width = w;
 720         rect->height = h;
 721         tooltip_rects[tooltips].text = text;
 722         tooltips++;
 723 }
 724
 725 #define INSIDE_RECT(_r,_x,_y)   ((_r.x <= _x) && (_r.x + _r.width >= _x) && \
 726                                 (_r.y <= _y) && (_r.y + _r.height >= _y))
 727
 728 static gboolean profile_tooltip (GtkWidget *widget, gint x, gint y,
 729                         gboolean keyboard_mode, GtkTooltip *tooltip, gpointer user_data)
 730 {
 731         int i;
 732         cairo_rectangle_int_t *drawing_area = user_data;
 733         gint tx = x - drawing_area->x; /* get transformed coordinates */
 734         gint ty = y - drawing_area->y;
 735
 736         /* are we over an event marker ? */
 737         for (i = 0; i < tooltips; i++) {
 738                 if (INSIDE_RECT(tooltip_rects[i].rect, tx, ty)) {
 739                         gtk_tooltip_set_text(tooltip,tooltip_rects[i].text);
 740                         return TRUE; /* show tooltip */
 741                 }
 742         }
 743         return FALSE; /* don't show tooltip */
 744 }
 745
 746 static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 747 {
 748         struct dive *dive = current_dive;
 749         struct graphics_context gc = { .printer = 0 };
 750         static cairo_rectangle_int_t drawing_area;
 751
 752         /* the drawing area gives TOTAL width * height - x,y is used as the topx/topy offset
 753          * so effective drawing area is width-2x * height-2y */
 754         drawing_area.width = widget->allocation.width;
 755         drawing_area.height = widget->allocation.height;
 756         drawing_area.x = drawing_area.width / 20.0;
 757         drawing_area.y = drawing_area.height / 20.0;
 758
 759         gc.cr = gdk_cairo_create(widget->window);
 760         g_object_set(widget, "has-tooltip", TRUE, NULL);
 761         g_signal_connect(widget, "query-tooltip", G_CALLBACK(profile_tooltip), &drawing_area);
 762         set_source_rgb(&gc, 0, 0, 0);
 763         cairo_paint(gc.cr);
 764
 765         if (dive) {
 766                 if (tooltip_rects) {
 767                         free(tooltip_rects);
 768                         tooltip_rects = NULL;
 769                 }
 770                 tooltips = 0;
 771                 plot(&gc, &drawing_area, dive);
 772         }
 773         cairo_destroy(gc.cr);
 774
 775         return FALSE;
 776 }
 777
 778 GtkWidget *dive_profile_widget(void)
 779 {
 780         GtkWidget *da;
 781
 782         da = gtk_drawing_area_new();
 783         gtk_widget_set_size_request(da, 350, 250);
 784         g_signal_connect(da, "expose_event", G_CALLBACK(expose_event), NULL);
 785
 786         return da;
 787 }
 788
 789 int process_ui_events(void)
 790 {
 791         int ret=0;
 792
 793         while (gtk_events_pending()) {
 794                 if (gtk_main_iteration_do(0)) {
 795                         ret = 1;
 796                         break;
 797                 }
 798         }
 799         return(ret);
 800 }
 801
 802
 803 static void fill_computer_list(GtkListStore *store)
 804 {
 805         GtkTreeIter iter;
 806         struct device_list *list = device_list;
 807
 808         for (list = device_list ; list->name ; list++) {
 809                 gtk_list_store_append(store, &iter);
 810                 gtk_list_store_set(store, &iter,
 811                         0, list->name,
 812                         1, list->type,
 813                         -1);
 814         }
 815 }
 816
 817 static GtkComboBox *dive_computer_selector(GtkWidget *vbox)
 818 {
 819         GtkWidget *hbox, *combo_box, *frame;
 820         GtkListStore *model;
 821         GtkCellRenderer *renderer;
 822
 823         hbox = gtk_hbox_new(FALSE, 6);
 824         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 825
 826         model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 827         fill_computer_list(model);
 828
 829         frame = gtk_frame_new("Dive computer");
 830         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 831
 832         combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
 833         gtk_container_add(GTK_CONTAINER(frame), combo_box);
 834
 835         renderer = gtk_cell_renderer_text_new();
 836         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo_box), renderer, TRUE);
 837         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo_box), renderer, "text", 0, NULL);
 838
 839         return GTK_COMBO_BOX(combo_box);
 840 }
 841
 842 static GtkEntry *dive_computer_device(GtkWidget *vbox)
 843 {
 844         GtkWidget *hbox, *entry, *frame;
 845
 846         hbox = gtk_hbox_new(FALSE, 6);
 847         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 848
 849         frame = gtk_frame_new("Device name");
 850         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 851
 852         entry = gtk_entry_new();
 853         gtk_container_add(GTK_CONTAINER(frame), entry);
 854         gtk_entry_set_text(GTK_ENTRY(entry), "/dev/ttyUSB0");
 855
 856         return GTK_ENTRY(entry);
 857 }
 858
 859 /* once a file is selected in the FileChooserButton we want to exit the import dialog */
 860 static void on_file_set(GtkFileChooserButton *widget, gpointer _data)
 861 {
 862         GtkDialog *main_dialog = _data;
 863
 864         gtk_dialog_response(main_dialog, GTK_RESPONSE_ACCEPT);
 865 }
 866
 867 static GtkWidget *xml_file_selector(GtkWidget *vbox, GtkWidget *main_dialog)
 868 {
 869         GtkWidget *hbox, *frame, *chooser, *dialog;
 870         GtkFileFilter *filter;
 871
 872         hbox = gtk_hbox_new(FALSE, 6);
 873         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 874
 875         frame = gtk_frame_new("XML file name");
 876         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 877         dialog = gtk_file_chooser_dialog_new("Open XML File",
 878                 GTK_WINDOW(main_window),
 879                 GTK_FILE_CHOOSER_ACTION_OPEN,
 880                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 881                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 882                 NULL);
 883         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), FALSE);
 884
 885         filter = gtk_file_filter_new();
 886         gtk_file_filter_add_pattern(filter, "*.xml");
 887         gtk_file_filter_add_pattern(filter, "*.XML");
 888         gtk_file_filter_add_pattern(filter, "*.sda");
 889         gtk_file_filter_add_pattern(filter, "*.SDA");
 890         gtk_file_filter_add_mime_type(filter, "text/xml");
 891         gtk_file_filter_set_name(filter, "XML file");
 892         gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
 893
 894         chooser = gtk_file_chooser_button_new_with_dialog(dialog);
 895         g_signal_connect(G_OBJECT(chooser), "file-set", G_CALLBACK(on_file_set), main_dialog);
 896
 897         gtk_file_chooser_button_set_width_chars(GTK_FILE_CHOOSER_BUTTON(chooser), 30);
 898         gtk_container_add(GTK_CONTAINER(frame), chooser);
 899
 900         return chooser;
 901 }
 902
 903 static void do_import_file(gpointer data, gpointer user_data)
 904 {
 905         GError *error = NULL;
 906         parse_xml_file(data, &error);
 907
 908         if (error != NULL)
 909         {
 910                 report_error(error);
 911                 g_error_free(error);
 912                 error = NULL;
 913         }
 914 }
 915
 916 void import_dialog(GtkWidget *w, gpointer data)
 917 {
 918         int result;
 919         GtkWidget *dialog, *hbox, *vbox, *label;
 920         GtkComboBox *computer;
 921         GtkEntry *device;
 922         GtkWidget *XMLchooser;
 923         device_data_t devicedata = {
 924                 .devname = NULL,
 925         };
 926
 927         dialog = gtk_dialog_new_with_buttons("Import from dive computer",
 928                 GTK_WINDOW(main_window),
 929                 GTK_DIALOG_DESTROY_WITH_PARENT,
 930                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 931                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 932                 NULL);
 933
 934         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 935         label = gtk_label_new("Import: \nLoad XML file or import directly from dive computer");
 936         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, TRUE, 3);
 937         XMLchooser = xml_file_selector(vbox, dialog);
 938         computer = dive_computer_selector(vbox);
 939         device = dive_computer_device(vbox);
 940         hbox = gtk_hbox_new(FALSE, 6);
 941         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 3);
 942         devicedata.progress.bar = gtk_progress_bar_new();
 943         gtk_container_add(GTK_CONTAINER(hbox), devicedata.progress.bar);
 944
 945         gtk_widget_show_all(dialog);
 946         result = gtk_dialog_run(GTK_DIALOG(dialog));
 947         switch (result) {
 948                 int type;
 949                 GtkTreeIter iter;
 950                 GtkTreeModel *model;
 951                 const char *comp;
 952                 GSList *list;
 953         case GTK_RESPONSE_ACCEPT:
 954                 /* what happened - did the user pick a file? In that case
 955                  * we ignore whether a dive computer model was picked */
 956                 list = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(XMLchooser));
 957                 if (g_slist_length(list) == 0) {
 958                         if (!gtk_combo_box_get_active_iter(computer, &iter))
 959                                 break;
 960                         model = gtk_combo_box_get_model(computer);
 961                         gtk_tree_model_get(model, &iter,
 962                                         0, &comp,
 963                                         1, &type,
 964                                         -1);
 965                         devicedata.type = type;
 966                         devicedata.name = comp;
 967                         devicedata.devname = gtk_entry_get_text(device);
 968                         do_import(&devicedata);
 969                 } else {
 970                         g_slist_foreach(list,do_import_file,NULL);
 971                         g_slist_free(list);
 972                 }
 973                 break;
 974         default:
 975                 break;
 976         }
 977         gtk_widget_destroy(dialog);
 978
 979         report_dives(TRUE);
 980 }
 981
 982 void update_progressbar(progressbar_t *progress, double value)
 983 {
 984         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress->bar), value);
 985 }
 986
 987
 988 void set_filename(const char *filename)
 989 {
 990         if (filename)
 991                 existing_filename = strdup(filename);
 992         return;
 993 }